28820883

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{547}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 47627776

約数和(自身を除く): 18806893

約数列:

[1, 3, 7, 13, 21, 39, 91, 193, 273, 547, 579, 1351, 1641, 2509, 3829, 4053, 7111, 7527, 11487, 17563, 21333, 49777, 52689, 105571, 149331, 316713, 738997, 1372423, 2216991, 4117269, 9606961, 28820883]

約数ペア:

[(1, 28820883), (3, 9606961), (7, 4117269), (13, 2216991), (21, 1372423), (39, 738997), (91, 316713), (193, 149331), (273, 105571), (547, 52689), (579, 49777), (1351, 21333), (1641, 17563), (2509, 11487), (3829, 7527), (4053, 7111)]